diff --git a/apps/web-wasm/src/App.vue b/apps/web-wasm/src/App.vue
index ac96a77b..1cfc5d95 100644
--- a/apps/web-wasm/src/App.vue
+++ b/apps/web-wasm/src/App.vue
@@ -7,6 +7,7 @@ import { useI18n } from 'vue-i18n'
 import Sidebar from '@/components/common/Sidebar.vue'
 import { initializeAppRuntime } from '@/bootstrap/app-initialization'
 import { initPreferencesSync } from '@/composables/usePreferencesSync'
+import { resolvePageTransitionKey } from '@/routes/page-transition-key'
 import { useBrowserRuntimeService } from '@/services/browser-runtime/service'
 import { initServices } from '@/services/registry'
 import { reportError } from '@/services/log-report'
@@ -29,7 +30,7 @@ const settingsStore = useSettingsStore()
 const layoutStore = useLayoutStore()
 const { isInitialized, sessions } = storeToRefs(sessionStore)
 const initError = ref<string | null>(null)
-const pageTransitionKey = computed(() => route.fullPath)
+const pageTransitionKey = computed(() => resolvePageTransitionKey(route))
 const shouldShowSidebar = computed(() => route.path !== '/' || sessions.value.length > 0)
 const isNarrowViewport = useMediaQuery('(max-width: 767px)')
 
diff --git a/apps/web-wasm/src/components/session/GroupOverview.vue b/apps/web-wasm/src/components/session/GroupOverview.vue
index 7dfb8c6b..2450b1c0 100644
--- a/apps/web-wasm/src/components/session/GroupOverview.vue
+++ b/apps/web-wasm/src/components/session/GroupOverview.vue
@@ -57,22 +57,23 @@ const memberChartData = computed<EChartPieData>(() => {
       :filtered-message-count="filteredMessageCount"
       :filtered-member-count="filteredMemberCount"
       :time-filter="timeFilter"
+      :capturable="false"
     />
 
     <div class="grid grid-cols-1 gap-6 lg:grid-cols-2">
-      <SectionCard :title="t('analysis.overview.messageTypeDistribution')" :show-divider="false">
+      <SectionCard :title="t('analysis.overview.messageTypeDistribution')" :capturable="false" :show-divider="false">
         <div class="p-3 sm:p-5">
           <EChartPie :data="typeChartData" :height="280" />
         </div>
       </SectionCard>
 
-      <SectionCard :title="t('analysis.overview.memberDistribution')" :show-divider="false">
+      <SectionCard :title="t('analysis.overview.memberDistribution')" :capturable="false" :show-divider="false">
         <div class="p-3 sm:p-5">
           <EChartPie :data="memberChartData" :height="280" />
         </div>
       </SectionCard>
     </div>
 
-    <DailyTrendCard :daily-activity="dailyActivity" :daily-chart-data="dailyChartData" />
+    <DailyTrendCard :daily-activity="dailyActivity" :daily-chart-data="dailyChartData" :capturable="false" />
   </div>
 </template>
diff --git a/apps/web-wasm/src/components/session/PrivateOverview.vue b/apps/web-wasm/src/components/session/PrivateOverview.vue
index 2953f32c..49c9c468 100644
--- a/apps/web-wasm/src/components/session/PrivateOverview.vue
+++ b/apps/web-wasm/src/components/session/PrivateOverview.vue
@@ -52,22 +52,28 @@ const memberComparisonData = computed(() => {
       :filtered-message-count="filteredMessageCount"
       :filtered-member-count="filteredMemberCount"
       :time-filter="timeFilter"
+      :capturable="false"
     />
 
     <div class="grid grid-cols-1 gap-6 lg:grid-cols-2">
-      <SectionCard :title="t('analysis.overview.messageTypeDistribution')" :show-divider="false">
+      <SectionCard :title="t('analysis.overview.messageTypeDistribution')" :capturable="false" :show-divider="false">
         <div class="p-3 sm:p-5">
           <EChartPie :data="typeChartData" :height="280" />
         </div>
       </SectionCard>
 
-      <SectionCard v-if="memberComparisonData" :title="t('analysis.overview.memberComparison')" :show-divider="false">
+      <SectionCard
+        v-if="memberComparisonData"
+        :title="t('analysis.overview.memberComparison')"
+        :capturable="false"
+        :show-divider="false"
+      >
         <div class="p-3 sm:p-5">
           <EChartPie :data="memberComparisonData" :height="280" />
         </div>
       </SectionCard>
     </div>
 
-    <DailyTrendCard :daily-activity="dailyActivity" :daily-chart-data="dailyChartData" />
+    <DailyTrendCard :daily-activity="dailyActivity" :daily-chart-data="dailyChartData" :capturable="false" />
   </div>
 </template>
diff --git a/src/components/UI/ReportCard.vue b/src/components/UI/ReportCard.vue
index 83c6cb86..dcac7822 100644
--- a/src/components/UI/ReportCard.vue
+++ b/src/components/UI/ReportCard.vue
@@ -2,12 +2,22 @@
 import CardCaptureOverlay from './CardCaptureOverlay.vue'
 import CardDecoration from './CardDecoration.vue'
 import ThemeCard from './ThemeCard.vue'
+
+withDefaults(
+  defineProps<{
+    /** 是否显示截图入口 */
+    capturable?: boolean
+  }>(),
+  {
+    capturable: true,
+  }
+)
 </script>
 
 <template>
   <ThemeCard data-capturable-card class="group/card relative isolate flex flex-col">
     <CardDecoration />
-    <CardCaptureOverlay />
+    <CardCaptureOverlay v-if="capturable" />
     <slot />
   </ThemeCard>
 </template>
diff --git a/src/components/analysis/Overview/DailyTrendCard.vue b/src/components/analysis/Overview/DailyTrendCard.vue
index 439bd187..a8ed237f 100644
--- a/src/components/analysis/Overview/DailyTrendCard.vue
+++ b/src/components/analysis/Overview/DailyTrendCard.vue
@@ -7,14 +7,25 @@ import type { DailyActivity } from '@/types/analysis'
 
 const { t } = useI18n()
 
-defineProps<{
-  dailyActivity: DailyActivity[]
-  dailyChartData: EChartLineData
-}>()
+withDefaults(
+  defineProps<{
+    dailyActivity: DailyActivity[]
+    dailyChartData: EChartLineData
+    capturable?: boolean
+  }>(),
+  {
+    capturable: true,
+  }
+)
 </script>
 
 <template>
-  <SectionCard v-if="dailyActivity.length > 0" :title="t('analysis.overview.dailyTrend.title')" :show-divider="false">
+  <SectionCard
+    v-if="dailyActivity.length > 0"
+    :title="t('analysis.overview.dailyTrend.title')"
+    :capturable="capturable"
+    :show-divider="false"
+  >
     <div class="p-3 sm:p-5">
       <EChartLine :data="dailyChartData" :height="288" />
     </div>
diff --git a/src/components/analysis/Overview/OverviewIdentityCard.vue b/src/components/analysis/Overview/OverviewIdentityCard.vue
index ba86d55a..edd33650 100644
--- a/src/components/analysis/Overview/OverviewIdentityCard.vue
+++ b/src/components/analysis/Overview/OverviewIdentityCard.vue
@@ -2,18 +2,18 @@
 import { computed, ref, watch, onMounted, onUnmounted } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { useDark } from '@vueuse/core'
-import { useDataService } from '@/services'
 import * as echarts from 'echarts/core'
 import { HeatmapChart, CustomChart } from 'echarts/charts'
 import { CalendarComponent, TooltipComponent, VisualMapComponent } from 'echarts/components'
 import { CanvasRenderer } from 'echarts/renderers'
 import type { EChartsOption } from 'echarts'
 import type { AnalysisSession, MessageType } from '@/types/base'
-import type { DailyActivity, HourlyActivity, WeekdayActivity } from '@/types/analysis'
+import type { DailyActivity, HourlyActivity } from '@/types/analysis'
 import { formatDateRange } from '@/utils'
 import { ReportCard } from '@/components/UI'
 import { useOverviewStatistics } from '@/composables/analysis/useOverviewStatistics'
 import { getOverviewCalendarRange, resolveOverviewTimeRange } from '@/composables/analysis/overviewTimeRange'
+import { useWeekdayActivity } from '@/composables/analysis/useWeekdayActivity'
 import OverviewStatCards from './OverviewStatCards.vue'
 
 echarts.use([HeatmapChart, CustomChart, CalendarComponent, TooltipComponent, VisualMapComponent, CanvasRenderer])
@@ -21,35 +21,29 @@ echarts.use([HeatmapChart, CustomChart, CalendarComponent, TooltipComponent, Vis
 const { t, locale } = useI18n()
 const isDark = useDark()
 
-const props = defineProps<{
-  session: AnalysisSession
-  dailyActivity: DailyActivity[]
-  messageTypes: Array<{ type: MessageType; count: number }>
-  hourlyActivity: HourlyActivity[]
-  timeRange: { start: number; end: number } | null
-  filteredMessageCount: number
-  filteredMemberCount?: number
-  timeFilter?: { startTs?: number; endTs?: number }
-}>()
+const props = withDefaults(
+  defineProps<{
+    session: AnalysisSession
+    dailyActivity: DailyActivity[]
+    messageTypes: Array<{ type: MessageType; count: number }>
+    hourlyActivity: HourlyActivity[]
+    timeRange: { start: number; end: number } | null
+    filteredMessageCount: number
+    filteredMemberCount?: number
+    timeFilter?: { startTs?: number; endTs?: number }
+    capturable?: boolean
+  }>(),
+  {
+    capturable: true,
+  }
+)
 
 // ==================== 统计数据 ====================
 
-const weekdayActivity = ref<WeekdayActivity[]>([])
-
-async function loadWeekdayActivity() {
-  if (!props.session.id) return
-  try {
-    weekdayActivity.value = await useDataService().getWeekdayActivity(props.session.id, props.timeFilter)
-  } catch (error) {
-    console.error('加载星期活跃度失败:', error)
-  }
-}
-
-watch(
-  () => [props.session.id, props.timeFilter],
-  () => loadWeekdayActivity(),
-  { immediate: true, deep: true }
-)
+const { weekdayActivity } = useWeekdayActivity({
+  sessionId: () => props.session.id,
+  timeFilter: () => props.timeFilter,
+})
 
 const {
   durationDays,
@@ -272,7 +266,7 @@ onUnmounted(() => {
 </script>
 
 <template>
-  <ReportCard>
+  <ReportCard :capturable="capturable">
     <!-- 身份信息 + 基础统计 -->
     <div class="relative z-10 px-5 pt-6 pb-4 sm:px-8 sm:pt-8">
       <h2 class="text-2xl font-bold tracking-tight text-gray-900 sm:text-3xl dark:text-gray-100">
diff --git a/src/composables/analysis/useWeekdayActivity.test.ts b/src/composables/analysis/useWeekdayActivity.test.ts
new file mode 100644
index 00000000..50e4a955
--- /dev/null
+++ b/src/composables/analysis/useWeekdayActivity.test.ts
@@ -0,0 +1,59 @@
+import assert from 'node:assert/strict'
+import { setImmediate as waitForImmediate } from 'node:timers/promises'
+import test from 'node:test'
+import { effectScope, nextTick, ref } from 'vue'
+import type { TimeFilter } from '@openchatlab/shared-types'
+import { registerAdapter } from '@/services/registry'
+import type { DataAdapter } from '@/services/data/types'
+import type { WeekdayActivity } from '@/types/analysis'
+import { useWeekdayActivity } from './useWeekdayActivity'
+
+interface Deferred<T> {
+  promise: Promise<T>
+  resolve: (value: T) => void
+}
+
+function createDeferred<T>(): Deferred<T> {
+  let resolve!: (value: T) => void
+  const promise = new Promise<T>((resolvePromise) => {
+    resolve = resolvePromise
+  })
+  return { promise, resolve }
+}
+
+test('only the latest filter may update weekday activity', async () => {
+  const loads = [createDeferred<WeekdayActivity[]>(), createDeferred<WeekdayActivity[]>()]
+  const filters: Array<TimeFilter | undefined> = []
+  let loadIndex = 0
+
+  registerAdapter('data', {
+    getWeekdayActivity: (_sessionId: string, filter?: TimeFilter) => {
+      filters.push(filter)
+      return loads[loadIndex++]!.promise
+    },
+  } as unknown as DataAdapter)
+
+  const sessionId = ref('session-one')
+  const timeFilter = ref<TimeFilter>({ startTs: 1 })
+  const scope = effectScope()
+  const { weekdayActivity } = scope.run(() =>
+    useWeekdayActivity({
+      sessionId: () => sessionId.value,
+      timeFilter: () => timeFilter.value,
+    })
+  )!
+
+  timeFilter.value = { startTs: 2 }
+  await nextTick()
+  assert.deepEqual(filters, [{ startTs: 1 }, { startTs: 2 }])
+
+  loads[0]!.resolve([{ weekday: 1, messageCount: 1 }])
+  await waitForImmediate()
+  assert.equal(weekdayActivity.value.length, 0)
+
+  loads[1]!.resolve([{ weekday: 2, messageCount: 2 }])
+  await waitForImmediate()
+  assert.deepEqual(weekdayActivity.value, [{ weekday: 2, messageCount: 2 }])
+
+  scope.stop()
+})
diff --git a/src/composables/analysis/useWeekdayActivity.ts b/src/composables/analysis/useWeekdayActivity.ts
new file mode 100644
index 00000000..e9121a06
--- /dev/null
+++ b/src/composables/analysis/useWeekdayActivity.ts
@@ -0,0 +1,39 @@
+import { ref, watch } from 'vue'
+import type { TimeFilter } from '@openchatlab/shared-types'
+import { useDataService } from '@/services'
+import type { WeekdayActivity } from '@/types/analysis'
+
+interface UseWeekdayActivityOptions {
+  sessionId: () => string
+  timeFilter: () => TimeFilter | undefined
+}
+
+export function useWeekdayActivity(options: UseWeekdayActivityOptions) {
+  const weekdayActivity = ref<WeekdayActivity[]>([])
+  let loadVersion = 0
+
+  async function loadWeekdayActivity() {
+    const currentVersion = ++loadVersion
+    const sessionId = options.sessionId()
+    if (!sessionId) {
+      weekdayActivity.value = []
+      return
+    }
+
+    try {
+      const result = await useDataService().getWeekdayActivity(sessionId, options.timeFilter())
+      // Browser Runtime 查询无法被 HTTP epoch 取消，旧筛选完成后不得覆盖最新结果。
+      if (currentVersion === loadVersion) {
+        weekdayActivity.value = result
+      }
+    } catch (error) {
+      if (currentVersion === loadVersion) {
+        console.error('Failed to load weekday activity:', error)
+      }
+    }
+  }
+
+  watch([options.sessionId, options.timeFilter], () => loadWeekdayActivity(), { immediate: true, deep: true })
+
+  return { weekdayActivity }
+}
diff --git a/src/composables/useSessionAnalysisPageBase.test.ts b/src/composables/useSessionAnalysisPageBase.test.ts
new file mode 100644
index 00000000..7c99fbe9
--- /dev/null
+++ b/src/composables/useSessionAnalysisPageBase.test.ts
@@ -0,0 +1,96 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+import { effectScope, reactive, ref } from 'vue'
+import type { RouteLocationNormalizedLoaded, Router } from 'vue-router'
+import { MessageType } from '@/types/base'
+import type { DailyActivity, HourlyActivity, MemberActivity } from '@/types/analysis'
+import { registerAdapter } from '@/services/registry'
+import type { DataAdapter } from '@/services/data/types'
+
+interface Deferred<T> {
+  promise: Promise<T>
+  resolve: (value: T) => void
+}
+
+function createDeferred<T>(): Deferred<T> {
+  let resolve!: (value: T) => void
+  const promise = new Promise<T>((resolvePromise) => {
+    resolve = resolvePromise
+  })
+  return { promise, resolve }
+}
+
+function createMember(name: string): MemberActivity {
+  return {
+    memberId: 1,
+    platformId: name,
+    name,
+    messageCount: 1,
+    percentage: 100,
+  }
+}
+
+test('only the latest analysis load may update results and loading state', async (t) => {
+  await t.mock.module('@/utils', {
+    namedExports: {
+      formatLocalizedDate: () => '',
+    },
+  })
+  const { useSessionAnalysisPageBase } = await import('./useSessionAnalysisPageBase')
+
+  const memberLoads = [createDeferred<MemberActivity[]>(), createDeferred<MemberActivity[]>()]
+  const hourlyLoads = [createDeferred<HourlyActivity[]>(), createDeferred<HourlyActivity[]>()]
+  const dailyLoads = [createDeferred<DailyActivity[]>(), createDeferred<DailyActivity[]>()]
+  const typeLoads = [
+    createDeferred<Array<{ type: MessageType; count: number }>>(),
+    createDeferred<Array<{ type: MessageType; count: number }>>(),
+  ]
+  let loadIndex = 0
+
+  registerAdapter('data', {
+    getSession: async () => null,
+    getMemberActivity: () => memberLoads[loadIndex]!.promise,
+    getHourlyActivity: () => hourlyLoads[loadIndex]!.promise,
+    getDailyActivity: () => dailyLoads[loadIndex]!.promise,
+    getMessageTypeDistribution: () => typeLoads[loadIndex++]!.promise,
+  } as unknown as DataAdapter)
+
+  t.mock.method(console, 'warn', () => undefined)
+  const scope = effectScope()
+  t.after(() => scope.stop())
+  const route = reactive({ params: { id: 'session-one' }, query: {} }) as unknown as RouteLocationNormalizedLoaded
+  const router = { replace: async () => undefined } as unknown as Router
+  const currentSessionId = ref<string | null>('session-one')
+  const page = scope.run(() =>
+    useSessionAnalysisPageBase({
+      route,
+      router,
+      currentSessionId,
+      selectSession: () => undefined,
+      defaultTab: 'overview',
+      validTabIds: ['overview'],
+    })
+  )!
+
+  const staleLoad = page.loadAnalysisData()
+  const latestLoad = page.loadAnalysisData()
+
+  memberLoads[0]!.resolve([createMember('stale')])
+  hourlyLoads[0]!.resolve([{ hour: 1, messageCount: 1 }])
+  dailyLoads[0]!.resolve([{ date: '2026-01-01', messageCount: 1 }])
+  typeLoads[0]!.resolve([{ type: MessageType.TEXT, count: 1 }])
+  await staleLoad
+
+  assert.equal(page.memberActivity.value.length, 0)
+  assert.equal(page.isLoading.value, true)
+
+  memberLoads[1]!.resolve([createMember('latest')])
+  hourlyLoads[1]!.resolve([{ hour: 2, messageCount: 2 }])
+  dailyLoads[1]!.resolve([{ date: '2026-02-02', messageCount: 2 }])
+  typeLoads[1]!.resolve([{ type: MessageType.IMAGE, count: 2 }])
+  await latestLoad
+
+  assert.equal(page.memberActivity.value[0]?.name, 'latest')
+  assert.deepEqual(page.hourlyActivity.value, [{ hour: 2, messageCount: 2 }])
+  assert.equal(page.isLoading.value, false)
+})
diff --git a/src/composables/useSessionAnalysisPageBase.ts b/src/composables/useSessionAnalysisPageBase.ts
index 150c9f82..3e351259 100644
--- a/src/composables/useSessionAnalysisPageBase.ts
+++ b/src/composables/useSessionAnalysisPageBase.ts
@@ -35,6 +35,7 @@ export function useSessionAnalysisPageBase(options: UseSessionAnalysisPageBaseOp
   const hourlyActivity = ref<HourlyActivity[]>([])
   const dailyActivity = ref<DailyActivity[]>([])
   const messageTypes = ref<Array<{ type: MessageType; count: number }>>([])
+  let analysisLoadVersion = 0
 
   function resolveActiveTabFromRoute(): string {
     const routeTab = route.query.tab as string | undefined
@@ -73,8 +74,10 @@ export function useSessionAnalysisPageBase(options: UseSessionAnalysisPageBaseOp
   }
 
   async function loadAnalysisData() {
-    if (!currentSessionId.value) return
+    const sessionId = currentSessionId.value
+    if (!sessionId) return
 
+    const loadVersion = ++analysisLoadVersion
     isLoading.value = true
 
     try {
@@ -82,20 +85,26 @@ export function useSessionAnalysisPageBase(options: UseSessionAnalysisPageBaseOp
 
       const adapter = useDataService()
       const [members, hourly, daily, types] = await Promise.all([
-        adapter.getMemberActivity(currentSessionId.value, filter),
-        adapter.getHourlyActivity(currentSessionId.value, filter),
-        adapter.getDailyActivity(currentSessionId.value, filter),
-        adapter.getMessageTypeDistribution(currentSessionId.value, filter),
+        adapter.getMemberActivity(sessionId, filter),
+        adapter.getHourlyActivity(sessionId, filter),
+        adapter.getDailyActivity(sessionId, filter),
+        adapter.getMessageTypeDistribution(sessionId, filter),
       ])
 
+      // Browser Runtime 查询无法被 HTTP epoch 取消，旧批次完成时不得覆盖最新筛选结果。
+      if (loadVersion !== analysisLoadVersion) return
       memberActivity.value = members
       hourlyActivity.value = hourly
       dailyActivity.value = daily
       messageTypes.value = types
     } catch (error) {
-      console.error('加载分析数据失败:', error)
+      if (loadVersion === analysisLoadVersion) {
+        console.error('加载分析数据失败:', error)
+      }
     } finally {
-      isLoading.value = false
+      if (loadVersion === analysisLoadVersion) {
+        isLoading.value = false
+      }
     }
   }
 
@@ -125,6 +134,7 @@ export function useSessionAnalysisPageBase(options: UseSessionAnalysisPageBaseOp
   watch(
     currentSessionId,
     () => {
+      analysisLoadVersion++
       // 切换会话时，上一会话的分析请求立即作废（切换后子 Tab 会按新 key 重挂并重新取数）。
       abortAnalyticsRequests()
       loadData()
diff --git a/src/routes/page-transition-key.test.ts b/src/routes/page-transition-key.test.ts
index 06b340d2..4e00719c 100644
--- a/src/routes/page-transition-key.test.ts
+++ b/src/routes/page-transition-key.test.ts
@@ -29,3 +29,20 @@ test('keeps dynamic session id in page transition key', () => {
     '/private-chat/:id:session-a'
   )
 })
+
+test('keeps the same session page key when only time filter query changes', () => {
+  const baseRoute = {
+    matched: [{ path: '/private-chat/:id' }],
+    params: { id: 'session-a' },
+  }
+  const recentRoute = {
+    ...baseRoute,
+    query: { timeMode: 'recent', timeDays: '365' },
+  }
+  const yearRoute = {
+    ...baseRoute,
+    query: { timeMode: 'year', timeYear: '2026' },
+  }
+
+  assert.equal(resolvePageTransitionKey(recentRoute), resolvePageTransitionKey(yearRoute))
+})